WO2007045281A1 - Plug-in connection for pipes and tubes with a tube engaging ring - Google Patents
Plug-in connection for pipes and tubes with a tube engaging ring Download PDFInfo
- Publication number
- WO2007045281A1 WO2007045281A1 PCT/EP2006/000264 EP2006000264W WO2007045281A1 WO 2007045281 A1 WO2007045281 A1 WO 2007045281A1 EP 2006000264 W EP2006000264 W EP 2006000264W WO 2007045281 A1 WO2007045281 A1 WO 2007045281A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- plug
- locking ring
- connector
- tubular
- connection according
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10091—Air intakes; Induction systems characterised by details of intake ducts: shapes; connections; arrangements
- F02M35/10144—Connections of intake ducts to each other or to another device
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L37/00—Couplings of the quick-acting type
- F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
- F16L37/084—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking
- F16L37/088—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking by means of a split elastic ring
- F16L37/0885—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking by means of a split elastic ring with access to the split elastic ring from a radial or tangential opening in the coupling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
Definitions
- the invention relates to a connector on pipes and hoses according to the preamble of claim 1.
- Such connectors have become known from a large number of patents by the same applicant, to which reference is hereby made. The function of the connector is described several times there.
- the plug connection is used for locking and sealing connection between a socket and a plug.
- the nozzle is always attached to a pipe, while the plug is attached to a hose.
- the invention is not restricted to this.
- the reverse can also be provided for the plug to be fastened to the tube and the socket to the hose. For the sake of simpler description, however, only the first-mentioned embodiment is assumed.
- An application example of the present invention relates, for example, to the fact that a cooler is present in a land, air or water vehicle, on which a tubular connecting piece is molded. On the front side of this connector, a pluggable, sealing snap-in connection must now be made to a hose attached there.
- This hose is in turn connected at its opposite end to a plug which there engages in a snap-in connection with a tube, at the free end of which a nozzle is in turn arranged.
- connection piece which interacts with a plug of a hose, and the opposite end of this hose is provided with a plug which enters into a sealing locking connection with a connection piece, which is fastened to a pipe which the Feed to a turbocharger.
- a total of four different plug connections are provided.
- gaseous media are conducted at a temperature of approximately 130 to 200 "Celsius and a pressure of 5 bar.
- the invention is not limited to this.
- the invention relates to all pluggable and latching pipe connections, be it for the liquid line, for the gas line or for the management of powdered or granular substances.
- the invention is therefore based on the object of developing the connector-side latching device of a latching plug-in connection in such a way that it can be manufactured in a substantially simpler, more resilient manner and provided with improved pull-out forces.
- the invention is characterized in that the tubular locking ring is designed as a part separate from the connecting piece and is secured to it in a form-fitting manner with little play, or else it is fixed in a form-fitting and frictional manner without play.
- a separate pipe locking ring is attached to the outer circumference of a connector that is unprepared.
- the tubular locking ring is connected to the connecting piece by a press connection.
- an expanding tool is used from the inner circumference of the connecting piece, which produces a radially outwardly directed press groove, which engages in an associated holding groove in the region of the tubular locking ring and thus holds it mechanically stable on the outer circumference.
- tubular locking ring is attached to the outer circumference of the connecting piece by an adhesive process or a welding process.
- tubular locking ring is pressed into the circumference of the connecting piece by corresponding pressing tools acting from the outside and directed radially inwards.
- projections are worked out of the material of the connecting piece, which cooperate with assigned projections and / or recesses of the locking ring and thus fix it in a dimensionally stable (form-fitting) manner on the outer circumference.
- connection piece consists of a plastic material and that the tubular locking ring according to the invention (which may also consist of a plastic and / or a metal material) is inserted into the injection molding tool for producing the connection piece and in one piece the material of the plastic nozzle is molded.
- This one-piece material connection only refers to when the tubular locking ring also consists of a plastic material.
- the socket is made of a plastic material, it is sufficient to encapsulate the pipe locking ring in a suitable manner with the plastic material of the pipe socket.
- Another advantage is that a very smooth and flat locking ramp can only be achieved due to the separate design of the tubular locking ring, which is associated with the advantage that only small insertion forces are given with good centering of the entire locking device.
- the tubular locking ring is formed in two parts and consists of a locking ring and a locking ring which adjoins it in one piece.
- the front locking ring is used for the snap-in connection with the plug, while the rear locking ring serves to center the snap-in connection, as an axial stop limitation and as mechanical protection for the entire plug-in connection to prevent foreign substances from entering the locking area.
- the further advantage of the invention is that it is no longer necessary - as was required in the prior art - to connect a complete latching device to a connecting piece by means of a joint connection. So it gets on Joints are omitted, which must also absorb the entire sealing pressure of the pipe connection.
- tubular locking ring according to the invention is arranged on the outer circumference of the connecting piece separately from the sealing arrangement, it is sufficient to take up only the mechanical strength for the locking connection there.
- pipe locking rings can subsequently be attached to the outer circumference of any connection piece.
- a pipe ring ring made of metal can even be pressed onto a socket made of plastic, as long as this socket is plastically cold deformable and has a low springback.
- the separate tubular locking ring according to the invention can have a much higher strength than the material of the connecting piece, which as a rule has to be easily deformable and soft.
- the cam consists of a sheet metal material which is pressed out of the remaining sheet metal material of the tubular locking ring by a flanging tool.
- the nook can be formed from pressed-out tabs of the tubular locking ring, and finally the cam can also be used as a separate part in associated recesses on the tubular locking ring delimited by tabs.
- Figure A Representation of a nozzle with a locking device according to the prior art
- Figure 1 a nozzle with a Rohrrästring according to the invention in a perspective view
- Figure 2 a section through the nozzle of Figure 1
- Figure 3 a section through the connector
- FIG. 4 a perspective half-section through the plug and socket according to FIGS. 2 and 3
- Figure 5 the representation of Figure 4 in the assembled state
- FIG. 6 a section through the arrangement according to FIG. 5
- connection piece 1a consists of a tube 2a, on which a tubular locking ring 3a is integrally formed.
- This tubular locking ring 3a is produced by shaping the relatively soft material of the tube 2a. It can also be a die casting or injection molding process that was used to manufacture the entire arrangement.
- the critical aspect of this arrangement is that one also tries to connect a cam 4a for the anti-rotation device with the material of the socket 1a in order to obtain a heavy-duty anti-rotation device.
- connection piece 1a with the tubular locking ring 3a had been produced by reshaping with a flanging tool, it would not be possible to connect the cam 4a in one piece with this material. It would then have to be connected to the material as a separate part in some way, which is associated with strength problems.
- the invention provides that a circumferential pressing groove 5 is provided in the inner circumference of the tube 2, which forms an outwardly directed, radially widening bead, which engages in the inner circumference of the tubular locking ring 3 and thus secured against displacement, rotation and firmly with connects the outer circumference of the tube 2.
- the advantage of this measure is that all machining operations can now be carried out on the separate tubular locking ring 3 before it is installed.
- the cam 4 is molded directly onto the material of the tubular locking ring 3 because the entire tubular locking ring 3 consists of a bent sheet metal material. The cam 4 is then directly bent out of the sheet material and shaped.
- the locking device (consisting of the tube locking ring 3) is completely separate from the sealing surface 6 of the tube 2, so that the tube locking ring 3 no longer performs sealing tasks. As a result, it can be manufactured particularly inexpensively, but also with a high load capacity.
- the tubular locking ring 3 is formed in two parts, namely consists of a front locking ring 13 and a rear locking ring 12.
- front and rear always refer to the direction of insertion (arrow direction 28) of a plug 20 (see FIG. 3) which can be plugged onto the socket 1 and locked there.
- the invention is not limited to the two-part design of a tubular locking ring 3.
- it can also be provided that only the locking ring 13 is present and the rear locking ring 12 is missing.
- the front locking ring 13 forms a locking groove 7, which can be formed with very sharp edges (small radius 11) because the tubular locking ring 3 can be drawn from a heavy-duty sheet metal material.
- the locking groove 7a according to the prior art was associated with large radii, which was associated with low pull-out forces.
- a catch spring 24 of the plug 20 now engages in the bottom of the catch groove 7, which will be described in more detail with reference to the following figures.
- the locking ring 12 is integrally formed with a material, which has an axial ring surface 14 with a perpendicular thereto, i.e. radially adjoining stop flange 15 forms.
- the annular surface 14 serves to center the entire plug connection, and the stop flange 15 serves to secure foreign objects from entering the latching area, in particular in the area of the latching groove 7.
- a run-in slope 8 is arranged in a known manner to facilitate insertion into the connector 20 according to FIG. 3.
- the plug 20 consists essentially of an inner part 21 and an outer part 22 connected in one piece with the material, the two materials consisting of an inexpensive sheet metal material which is highly stressable.
- In the area of the inner part 21 there are slots 25 distributed uniformly around the circumference, through which the bent ends of a catch spring 24 engage, which, for. B. distributed in three places on the circumference in the associated locking groove 7 on the nozzle 1.
- an enlarged groove is provided, into which a lip seal 23 is inserted.
- This lip seal 23 interacts with the previously described sealing surface 6 on the nozzle 1.
- a semicircular, wing-like plastic cover 26 is provided on the outer part 22 in order to cover the detent spring 24 from the outside.
- a hose receiving space 27 is formed between the inner part 21 and the outer part 22, into which a hose (not shown) is inserted.
- the invention is not limited to the formation of a hose receiving space 27 for receiving a hose. It can also be provided that a hose is molded directly onto the entire plug 20.
- the entire plug 20 is molded onto a tube.
- an anti-rotation recess 29 which interacts with an associated cam 4 on the connector 1 in order to enable the connector to be prevented from rotating.
- FIG. 4 shows the two parts 1, 20 according to FIGS. 2 and 3 shortly before the plug connection is made. It can be seen that the detent spring 24 extends with bent ends through the associated slots 25 of the plug 20 and engages in a latching manner at different points in the detent groove 7 of the connector 1. To solve the latching connection, it is sufficient to grasp the latching spring at an end projecting beyond the outer part 22 and to lift it off so as to disengage the spring ends of the latching spring 24 from the latching groove 7 of the connector 1.
- the lip seal 23 rests in the area of the sealing surface 6 of the tube 2 of the connector 1 and that the two-part tube locking ring 3, consisting of the locking ring 13 and the locking ring 12, only takes on the locking function.
- FIG. 6 shows the sectional view through FIG. 5.
- the press groove 5 engages in the material of the pipe locking ring 3 in front of the locking groove 7, specifically in the area of the locking ramp 9.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
- Joints That Cut Off Fluids, And Hose Joints (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008535900A JP2009511842A (en) | 2005-10-21 | 2006-01-13 | Insertion fitting with pipe and hose pipe locking ring |
BRPI0617668-2A BRPI0617668A2 (en) | 2005-10-21 | 2006-01-13 | pipe and hose fitting connection with a pipe retaining ring |
US12/091,027 US20090102181A1 (en) | 2005-10-21 | 2006-01-13 | Plug-in connection on pipes and hoses with a pipe detent ring |
EP06706225A EP1938013A1 (en) | 2005-10-21 | 2006-01-13 | Plug-in connection for pipes and tubes with a tube engaging ring |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005050490.6 | 2005-10-21 | ||
DE102005050490A DE102005050490A1 (en) | 2005-10-21 | 2005-10-21 | Plug connection on pipes and hoses with a pipe locking ring |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007045281A1 true WO2007045281A1 (en) | 2007-04-26 |
Family
ID=36688075
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2006/000264 WO2007045281A1 (en) | 2005-10-21 | 2006-01-13 | Plug-in connection for pipes and tubes with a tube engaging ring |
Country Status (7)
Country | Link |
---|---|
US (1) | US20090102181A1 (en) |
EP (1) | EP1938013A1 (en) |
JP (1) | JP2009511842A (en) |
CN (1) | CN101292109A (en) |
BR (1) | BRPI0617668A2 (en) |
DE (1) | DE102005050490A1 (en) |
WO (1) | WO2007045281A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2083205A2 (en) | 2008-01-28 | 2009-07-29 | Henn Gmbh & Co.KG | Connector for connecting conduits for liquid or gaseous media |
US7686345B2 (en) * | 2005-03-03 | 2010-03-30 | Henn Gmbh & Co. Kg. | Plug-type coupling comprising a molded sealing ring and venting means |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009094679A1 (en) * | 2008-01-28 | 2009-08-06 | Henn Gmbh & Co Kg. | Plug connection for connecting cooling water lines for internal combustion engines |
DE102009011864B4 (en) * | 2009-03-05 | 2013-07-11 | Norma Germany Gmbh | Connecting arrangement with a first pipe socket and a second pipe socket and locking ring assembly for such a connection arrangement |
KR200454790Y1 (en) | 2009-08-26 | 2011-07-28 | 송병진 | Flexible Duct Connection |
AT511071B1 (en) | 2011-08-12 | 2012-09-15 | Henn Gmbh & Co Kg | CONNECTING DEVICE IN A FINAL ENVIRONMENT OF A CONDUCTOR AND METHOD FOR PRODUCING A CONNECTING DEVICE |
FR3001024B1 (en) * | 2013-01-17 | 2015-12-25 | Delphi Automotive Systems Lux | FAST CONNECTION DEVICE. |
US10859194B2 (en) | 2013-05-20 | 2020-12-08 | Steere Enterprises, Inc. | Clean air duct and retaining clip and assembly thereof |
US9664321B2 (en) | 2013-05-20 | 2017-05-30 | Steere Enterprises, Inc. | Clean air duct and retaining clip and assembly thereof |
AT516151B1 (en) * | 2015-03-03 | 2016-03-15 | Henn Gmbh & Co Kg | Connector assembly for connecting cables |
AT517085B1 (en) * | 2015-10-07 | 2016-11-15 | Henn Gmbh & Co Kg | Connector for connecting lines for liquid or gaseous media |
CN107289215A (en) * | 2017-08-24 | 2017-10-24 | 潍柴动力股份有限公司 | A kind of pipe interface attachment means and engine |
USD902255S1 (en) * | 2019-07-31 | 2020-11-17 | PRL Motorsports LLC | Intake system |
AT17372U1 (en) * | 2021-01-20 | 2022-02-15 | Henn Gmbh & Co Kg | Mating connector for connecting components for liquid or gaseous media, and a plug assembly and a method for producing such a mating connector |
CN113232026A (en) * | 2021-06-11 | 2021-08-10 | 温德旭 | Mechanical arm for hose connection |
AT525973B1 (en) * | 2022-07-26 | 2023-10-15 | Henn Gmbh & Co Kg | Connector for connecting lines for liquid or gaseous media |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4750765A (en) * | 1987-07-27 | 1988-06-14 | Stratoflex, Inc. | Quick-connect coupling |
DE19601667A1 (en) * | 1996-01-18 | 1997-07-24 | Henn Gmbh & Co Kg | Plug-in connection for pipes and hoses with inner and outer sleeve |
US5829792A (en) * | 1994-09-06 | 1998-11-03 | Hycop Ab | Tube coupling with an indicator device employed for visual inspection of the proper locking/sealing position |
US5860677A (en) * | 1995-06-28 | 1999-01-19 | Valeo Climatisation | Rapid connection device for connecting a tube member with a pipe connector, especially for a heat exchanger; and a heat exchanger equipped with such a device |
DE10055348A1 (en) * | 2000-11-08 | 2002-05-23 | Henn Ges M B H & Co Kg Dornbir | Method to produce a pipe-mounting connection and the subsequent manufactured pipe-mounting connection |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3531926A1 (en) * | 1985-09-07 | 1987-03-19 | Kugelfischer G Schaefer & Co | DETACHABLE CONNECTOR |
DE3739626C2 (en) * | 1987-11-23 | 1996-03-07 | Schaefer Stettiner Schrauben | Connector |
DE4427597A1 (en) * | 1994-08-04 | 1996-02-08 | Teves Gmbh Alfred | Tube connection for brake line on vehicle |
DE19822753A1 (en) * | 1998-05-20 | 1999-12-02 | Veritas Gummiwerke Ag | Pipeline |
DE19837355A1 (en) * | 1998-08-18 | 2000-02-24 | Zahnradfabrik Friedrichshafen | Method for fixture of pipe conduit in cylinder, particularly in toothed rod hydraulic linkage, involves fitting bush on pipe conduit so that locked engagement takes place |
DE19848213C2 (en) * | 1998-10-20 | 2002-08-08 | Zf Sachs Ag | Seal for a connector |
-
2005
- 2005-10-21 DE DE102005050490A patent/DE102005050490A1/en not_active Ceased
-
2006
- 2006-01-13 CN CNA2006800391475A patent/CN101292109A/en active Pending
- 2006-01-13 US US12/091,027 patent/US20090102181A1/en not_active Abandoned
- 2006-01-13 WO PCT/EP2006/000264 patent/WO2007045281A1/en active Application Filing
- 2006-01-13 JP JP2008535900A patent/JP2009511842A/en active Pending
- 2006-01-13 EP EP06706225A patent/EP1938013A1/en not_active Withdrawn
- 2006-01-13 BR BRPI0617668-2A patent/BRPI0617668A2/en not_active IP Right Cessation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4750765A (en) * | 1987-07-27 | 1988-06-14 | Stratoflex, Inc. | Quick-connect coupling |
US5829792A (en) * | 1994-09-06 | 1998-11-03 | Hycop Ab | Tube coupling with an indicator device employed for visual inspection of the proper locking/sealing position |
US5860677A (en) * | 1995-06-28 | 1999-01-19 | Valeo Climatisation | Rapid connection device for connecting a tube member with a pipe connector, especially for a heat exchanger; and a heat exchanger equipped with such a device |
DE19601667A1 (en) * | 1996-01-18 | 1997-07-24 | Henn Gmbh & Co Kg | Plug-in connection for pipes and hoses with inner and outer sleeve |
DE10055348A1 (en) * | 2000-11-08 | 2002-05-23 | Henn Ges M B H & Co Kg Dornbir | Method to produce a pipe-mounting connection and the subsequent manufactured pipe-mounting connection |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7686345B2 (en) * | 2005-03-03 | 2010-03-30 | Henn Gmbh & Co. Kg. | Plug-type coupling comprising a molded sealing ring and venting means |
EP2083205A2 (en) | 2008-01-28 | 2009-07-29 | Henn Gmbh & Co.KG | Connector for connecting conduits for liquid or gaseous media |
Also Published As
Publication number | Publication date |
---|---|
EP1938013A1 (en) | 2008-07-02 |
BRPI0617668A2 (en) | 2011-08-02 |
CN101292109A (en) | 2008-10-22 |
JP2009511842A (en) | 2009-03-19 |
DE102005050490A1 (en) | 2007-04-26 |
US20090102181A1 (en) | 2009-04-23 |
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